SKY13345-368LF

Test Frequency:	2.5GHz
Supplier Device Package:	12-QFN (2x2)
Package / Case:	12-UFQFN Exposed Pad
Operating Temperature:	-40°C ~ 85°C
Voltage - Supply:	2.5 V ~ 5.5 V
Impedance:	50 Ohm
Features:	DC Blocked
IIP3:	57dBm
P1dB:	--
Series:	--
Insertion Loss:	0.55dB
Isolation:	35dB
Frequency Range:	100MHz ~ 3.5GHz
Circuit:	SP3T
Topology:	Reflective
RF Type:	802.11b/g Bluetooth
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

RF switches are electronic components that are used to direct high frequency signals between different parts of a circuit. In some cases, switches are used to selectively couple circuit paths, select between different signal sources or RF paths, or to turn a signal on and off.The SKY13345-368LF RF switch offers high isolation and excellent RF performance. This switch has a wide range of uses, depending on its application field and operation principle. This article outlines the application fields, as well as the working principle of the SKY13345-368LF RF switch.

Application Field

The SKY13345-368LF RF switch is designed for use in wireless communication systems, including cellular systems, Wi-Fi routers, and ZigBee nodes. Additionally, the switch is suitable for application in medical electronics, test and measurements, and point-to-point radio links.The SKY13345-368LF RF switch offers the flexibility to be used as a frequency diplexer in systems where multiple signals must be managed. This flexibility gives it a primary use in systems that require switching between different frequency bands.Another application of the SKY13345-368LF RF switch is in antenna switching. This switch allows users to switch between multiple antennas, optimizing signal reception. This switch is used by radio transmitters in order to reduce the likelihood of interference, thereby optimizing signal quality.

Working principle

The SKY13345-368LF RF switch is a single-pole double-throw (SPDT) type switch. This type of switch uses a pair of poles that are connected to the input and output signals. The control electrode is used to select either the ‘A’ or ‘B’ signals from the input, with one signal being connected to the output while the other is connected to ground.The functioning of the SKY13345-368LF RF switch is based on a MEMS (microelectromechanical system) structure. The high performance of the switch is enabled by an electrostatic actuation mechanism that uses the electrostatic force generated by applying voltages to metal electrodes.This switch is able to switch signal fast, with a typical switching time of 10 µs. The switch has an excellent on-state RF performance, with an insertion loss of less than 0.5 dB. The switch also ensures a high degree of isolation, with an isolation level of at least 30 dB up to 3 GHz.

Conclusion

The SKY13345-368LF RF switch is a very flexible and high-performance switching solution for the modern wireless device. It can be used as a frequency diplexer, antenna switch, or for other important wireless system components. It enables very fast switching speeds, along with excellent RF performance. This switch makes a strong contribution to the modern wireless world.

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